Remove sort order.

api/comment_threads.rb

@@ -13,7 +13,6 @@ get "#{APIPREFIX}/threads" do # retrieve threads by course
     value_to_boolean(params["unread"]),
     value_to_boolean(params["unanswered"]),
     params["sort_key"],
-    params["sort_order"],
     params["page"],
     params["per_page"]
   ).to_json

api/commentables.rb

@@ -18,7 +18,6 @@ get "#{APIPREFIX}/:commentable_id/threads" do |commentable_id|
     value_to_boolean(params["unread"]),
     value_to_boolean(params["unanswered"]),
     params["sort_key"],
-    params["sort_order"],
     params["page"],
     params["per_page"],
     params["context"] ? params["context"] : :course

api/notifications_and_subscriptions.rb

@@ -12,7 +12,6 @@ get "#{APIPREFIX}/users/:user_id/subscribed_threads" do |user_id|
     value_to_boolean(params["unread"]),
     value_to_boolean(params["unanswered"]),
     params["sort_key"],
-    params["sort_order"],
     params["page"],
     params["per_page"]
   ).to_json

api/search.rb

@@ -88,7 +88,6 @@ get "#{APIPREFIX}/search/threads" do
       value_to_boolean(local_params["unread"]),
       value_to_boolean(local_params["unanswered"]),
       local_params["sort_key"],
-      local_params["sort_order"],
       local_params["page"],
       local_params["per_page"],
       context

lib/helpers.rb

@@ -137,7 +137,6 @@ helpers do
     filter_unread,
     filter_unanswered,
     sort_key,
-    sort_order,
     page,
     per_page,
     context=:course
@@ -175,7 +174,7 @@ helpers do
       end
     end
 
-    sort_criteria = get_sort_criteria(sort_key, sort_order)
+    sort_criteria = get_sort_criteria(sort_key)
     if not sort_criteria
       {}
     else
@@ -240,7 +239,7 @@ helpers do
 
   # Given query params, return sort criteria appropriate for passing to the
   # order_by function of a Mongoid query. Returns nil if params are not valid.
-  def get_sort_criteria(sort_key, sort_order)
+  def get_sort_criteria(sort_key)
     sort_key_mapper = {
       "date" => :created_at,
       "activity" => :last_activity_at,
@@ -248,16 +247,11 @@ helpers do
       "comments" => :comment_count,
     }
 
-    sort_order_mapper = {
-      "desc" => :desc,
-      "asc" => :asc,
-    }
-
     sort_key = sort_key_mapper[params["sort_key"] || "date"]
-    sort_order = sort_order_mapper[params["sort_order"] || "desc"]
 
-    if sort_key && sort_order
-      sort_criteria = [[:pinned, :desc], [sort_key, sort_order]]
+    if sort_key
+      # only sort order of :desc is supported.  support for :asc would require new indices.
+      sort_criteria = [[:pinned, :desc], [sort_key, :desc]]
       if ![:created_at, :last_activity_at].include? sort_key
         sort_criteria << [:created_at, :desc]
       end

lib/tasks/benchmark.rake

@@ -76,19 +76,18 @@ namespace :benchmark do
 
     Benchmark.bm(31) do |x|
       sort_keys = %w[date activity votes comments]
-      sort_order = "desc"
 
       x.report("querying threads in a course") do
         
         (1..COURSE_THREAD_QUERY).each do |seed|
-          query_params = { course_id: "1", sort_key: sort_keys[seed % 4], sort_order: sort_order, page: seed % 5 + 1, per_page: 5 }
+          query_params = { course_id: "1", sort_key: sort_keys[seed % 4], page: seed % 5 + 1, per_page: 5 }
           RestClient.get "#{PREFIX}/threads", params: query_params
         end
       end
       x.report("searching threads in a course") do
         
         (1..COURSE_THREAD_QUERY).each do |seed|
-          query_params = { course_id: "1", text: "token#{seed % 10} token#{(seed * seed) % 10}", sort_key: sort_keys[seed % 4], sort_order: sort_order, page: seed % 5 + 1, per_page: 5 }
+          query_params = { course_id: "1", text: "token#{seed % 10} token#{(seed * seed) % 10}", sort_key: sort_keys[seed % 4], page: seed % 5 + 1, per_page: 5 }
           RestClient.get "#{PREFIX}/search/threads", params: query_params
         end
       end

lib/tasks/deep_search.rake

@@ -50,7 +50,6 @@ namespace :deep_search do
     end
 
     sort_keys = %w[date activity votes comments]
-    sort_order = "desc"
 
     #set the sinatra env to test to avoid 401'ing
     set :environment, :test
@@ -58,7 +57,7 @@ namespace :deep_search do
     start_time = Time.now
     puts "Starting test at #{start_time}"
     1000.times do |i|
-      query_params = { course_id: "1", sort_key: sort_keys.sample, sort_order: sort_order, page: 1, per_page: 5, text: bodies.sample }
+      query_params = { course_id: "1", sort_key: sort_keys.sample, page: 1, per_page: 5, text: bodies.sample }
       RestClient.get "#{PREFIX}/threads", params: query_params
     end
     end_time = Time.now

spec/api/search_spec.rb

@@ -21,18 +21,13 @@ describe "app" do
         result.should == {}
       end
 
-      it "returns an empty reuslt if text parameter is missing" do
+      it "returns an empty result if text parameter is missing" do
         get "/api/v1/search/threads", course_id: course_id
         assert_empty_response
       end
 
-      it "returns an empty reuslt if sort key is invalid" do
-        get "/api/v1/search/threads", course_id: course_id, text: "foobar", sort_key: "invalid", sort_order: "desc"
-        assert_empty_response
-      end
-
-      it "returns an empty reuslt if sort order is invalid" do
-        get "/api/v1/search/threads", course_id: course_id, text: "foobar", sort_key: "date", sort_order: "invalid"
+      it "returns an empty result if sort key is invalid" do
+        get "/api/v1/search/threads", course_id: course_id, text: "foobar", sort_key: "invalid"
         assert_empty_response
       end
 
@@ -159,8 +154,8 @@ describe "app" do
           threads
         end
 
-        def check_sort(sort_key, sort_order, expected_thread_indexes)
-          get "/api/v1/search/threads", text: "text", course_id: course_id, sort_key: sort_key, sort_order: sort_order
+        def check_sort(sort_key, expected_thread_indexes)
+          get "/api/v1/search/threads", text: "text", course_id: course_id, sort_key: sort_key
           last_response.should be_ok
           result = parse(last_response.body)
           actual_ids = get_result_ids(result)
@@ -170,28 +165,24 @@ describe "app" do
 
         it "by date" do
           asc_order = [0, 1, 2, 3, 4, 5]
-          check_sort("date", "asc", asc_order)
-          check_sort("date", "desc", asc_order.reverse)
+          check_sort("date", asc_order.reverse)
         end
 
         it "by activity" do
           asc_order = [0, 1, 2, 3, 4, 5]
-          check_sort("activity", "asc", asc_order)
-          check_sort("activity", "desc", asc_order.reverse)
+          check_sort("activity", asc_order.reverse)
         end
 
         it "by votes" do
-          check_sort("votes", "asc", [5, 4, 3, 0, 2, 1])
-          check_sort("votes", "desc", [2, 1, 5, 4, 3, 0])
+          check_sort("votes", [2, 1, 5, 4, 3, 0])
         end
 
         it "by comments" do
-          check_sort("comments", "asc", [5, 4, 2, 0, 3, 1])
-          check_sort("comments", "desc", [3, 1, 5, 4, 2, 0])
+          check_sort("comments", [3, 1, 5, 4, 2, 0])
         end
 
         it "by default" do
-          check_sort(nil, nil, [5, 4, 3, 2, 1, 0])
+          check_sort(nil, [5, 4, 3, 2, 1, 0])
         end
       end